Product Overview
The MSO-P1040H07T 40kHz Plastic Case Ultrasonic Transducer is a long-distance ultrasonic transmitter designed for distance measurement, object detection, parking sensors, robotics, automation equipment, liquid level sensing, and embedded ultrasonic ranging systems.
With a 10×7mm compact size, 40±1.0KHz center frequency, ≥115dB sound pressure level, and 0–1200cm detectable range, this ultrasonic transducer provides strong acoustic output for reliable long-distance sensing applications.
The plastic housing makes the sensor lightweight and suitable for compact electronic assemblies where cost-effective ultrasonic transmission, stable 40kHz performance, and easy integration are required.
Key Features
40±1.0KHz center frequency supports standard ultrasonic ranging and distance measurement systems.
Transmitter-type design provides ultrasonic signal output for object detection and measuring distance applications.
≥115dB sound pressure level helps deliver strong ultrasonic energy for long-distance detection.
80°±15° directivity at -6dB provides wide ultrasonic coverage for sensing and ranging systems.
0–1200cm detectable range supports short-range and long-distance ultrasonic measurement applications.
Plastic housing material offers a lightweight structure for compact electronic product integration.
Technical Specifications
| Item | Value |
| Model | MSO-P1040H07T |
| Dimension | 10×7mm |
| Construction | Open Type |
| Using Method | Transmitter |
| Center Frequency | 40±1.0KHz |
| Sound Pressure Level | ≥115dB |
| Capacitance | 2200±25%pF at 1KHz |
| Directivity | 80°±15° (-6dB) |
| Maximum Input Voltage | 40Vp-p |
| Detectable Range | 0–1200cm |
| Housing Material | Plastic |
| Operating Temperature | -20℃ to +80℃ |
| Storage Temperature | -20℃ to +80℃ |
Applications
This 40kHz plastic case ultrasonic transducer is suitable for distance measurement modules, long-distance sensing systems, obstacle detection, parking assistance, robotics, smart equipment, automation control, liquid level detection, security devices, and IoT sensing products.
It is also suitable for OEM and ODM projects that require a compact ultrasonic transmitter with high sound pressure level, plastic housing, and stable 40kHz ultrasonic output.
Working Principle
The ultrasonic transmitter converts an electrical drive signal into 40kHz ultrasonic sound waves. In a complete distance measuring system, the transmitted wave travels to the target object and reflects back to a matching ultrasonic receiver.
The control circuit calculates distance by measuring the time between the transmitted pulse and the received echo. This time-of-flight method is widely used in ultrasonic ranging, obstacle detection, and level sensing systems.
Design and Integration Notes
For best performance, drive the transducer near its 40kHz center frequency and keep the input voltage within the specified 40Vp-p maximum rating.
Because this model is a transmitter, it should be paired with a compatible ultrasonic receiver or signal processing circuit when used in a complete ranging system.
The final detectable range can be affected by target size, target material, surface angle, temperature, humidity, airflow, mounting structure, receiver sensitivity, and drive circuit design.
Why Choose This 40kHz Ultrasonic Transducer
The MSO-P1040H07T combines compact 10×7mm size, 40kHz frequency, ≥115dB sound pressure level, 80°±15° directivity, and 0–1200cm detectable range. It provides a practical ultrasonic transmitter option for long-distance sensing and embedded distance measurement products.
Its plastic case design offers a lightweight solution for applications where stable ultrasonic transmission, compact size, and cost-effective integration are important.
FAQ
What is this 40kHz ultrasonic transducer used for?
It is used for ultrasonic distance measurement, long-distance sensing, object detection, parking sensors, robotics, automation devices, liquid level detection, and smart electronic sensing systems.
Is this ultrasonic transducer a transmitter or receiver?
This model is specified as a transmitter. It emits ultrasonic waves and is usually paired with a matching receiver in a complete ranging or detection system.
How does a 40kHz ultrasonic distance sensor work?
A 40kHz ultrasonic transmitter emits sound pulses, and a receiver detects the reflected echo. The controller calculates distance based on echo return time and the speed of sound.
What is the detectable range of this transducer?
The specified detectable range is 0–1200cm. Actual detection range depends on the target surface, signal drive level, receiver circuit, installation structure, and environmental conditions.
How should I choose a matching ultrasonic receiver?
Choose a receiver with compatible 40kHz center frequency, suitable sensitivity, matching directivity, proper capacitance, package size, and operating temperature range for the final system.
What affects ultrasonic transducer performance?
Performance can be affected by drive frequency, input voltage, target size, surface angle, target material, temperature, humidity, airflow, installation position, acoustic interference, and receiver sensitivity.
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